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Approvals & Standards

  • IEC 61643-11
  • EN 61643-11

Key features & benefits

STM T1 50 is the most robust series of single pole Type 1/Class I lightning current arresters, able to discharge energy (current) from a direct lightning strike (10/350µs) on an external lightning protection system (LPS) or overhead supplies, in accordance with EN/IEC 61643. Suitable as the first step of protection in incoming power supply panels and areas with high exposure to lightning strikes, fitted with an external lightning protection system.

More specifications

Applications

  • Industry and automation
  • Commercial and residential installations
  • Telecom & IT & Data Centers
  • Water treatment
  • Smart grid & LV Metering
  • Wind

Product Specifications

IEC SPD Type

Type 1 / Class I  

Degree of Protection (IP)

IP20  

Wire Type

Rigid: 16…35mm² / Stranded: 16…25mm²  

CE Conformity

Yes  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Min Operating Temp.

-40   °C

References in this serie  (5)

Item number - Catalog No.

AC or DC

Number of poles

Enclosure NEMA type

Product weight

Indication System

Value (field_ps_value)

83010100 - STMT1-50K275V-1P

AC  

1-Pole  

-

-

0.26   kg

83010102 - STMT1-100K-N

AC  

1-Pole  

-

-

0.26   kg

83010103 - STMT1-50K150V-1P

AC  

1-Pole  

-

-

0.26   kg

83010104 - STMT1-50K320V-1P

AC  

1-Pole  

-

-

0.26   kg

83010107 - STMT1-50K440V-1P

AC  

1-Pole  

-

-

0.26   kg